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5.19ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 727565951

Shape and cutting style on the report: Round brilliant

Certificate IGI 727565951

Diamond specifications and retailer prices

From £23,459 GBP
₹2,993,578 INR
As of October 30, 2026
Save £17,707 GBP (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £41,166 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.19ct natural round diamond

This 5.19ct natural round sits in the over five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 727565951. Listed at 15 retailers as of October 29, 2026, with prices from £23,459 to £41,166, a £17,707 spread on the same certified stone. MOH London lists it at £41,166. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.19
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.6°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 727565951
Dimensions11.15 × 11.25 × 6.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
11.15 mm11.25 mm5.19 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 727565951
Side View
Table 60.0%Crown 31.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £41,166 GBP|Low: £23,318 GBP|High: £41,440 GBP|Avg: £30,371 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 2£23,459 GBP
Retailer 8£25,696 GBP
Retailer 5£25,960 GBP
Retailer 13£26,348 GBP
Retailer 10£27,310 GBP
Retailer 11£28,940 GBP
Retailer 3£30,146 GBP
Retailer 9£31,351 GBP
Retailer 6£31,813 GBP
Retailer 4£32,046 GBP
Retailer 12£32,557 GBP
Retailer 7£33,387 GBP
MOH London£41,166 GBP

33 data points across 13 retailers

15 retailers£23,459 GBP to £41,166 GBP

A
Cheapest Retailer
-
£23,459 GBP
₹2,993,578 INR
A
Retailer 2
-
£25,696 GBP
$34,430 USD
View
A
Retailer 3
-
£25,960 GBP
$34,783 USD
View
A
Retailer 4
-
£26,348 GBP
$35,303 USD
View
A
Retailer 5
-
£26,528 GBP
$35,544 USD
View
Final sale: no returns
A
Retailer 6
-
£27,310 GBP
$36,593 USD
View
A
Retailer 7
-
£28,940 GBP
$38,776 USD
View
A
Retailer 8
-
£30,146 GBP
$40,392 USD
View
A
Retailer 9
-
£31,351 GBP
$42,007 USD
View
A
Retailer 10
-
£31,813 GBP
€40,596 EUR
View
A
Retailer 11
-
£32,046 GBP
$42,938 USD
View
A
Retailer 12
-
£32,222 GBP
$43,175 USD
View
A
Retailer 13
-
£32,557 GBP
$43,623 USD
View
A
Retailer 14
-
£33,387 GBP
View
Most Expensive
A
MOH London
7AFE80A38 · Oct 29
£41,166 GBP
View
14 more retailers have this diamond
Prices start from £23,459 GBPSave up to £17,707 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
5.19ct Round
£23,459 GBP